Ati Inc
ATI- Exchange
- NYSE
- Industry
- Steel Pipe & Tubes
- SEC CIK
- 0001018963
In the last 90 days, Ati Inc insiders filed 0 open-market purchases and 9 sales; 795 institutions reported holding it in 13F filings for Q2 2026, worth $25.1B in total; 3 superinvestors hold it, including Viking Global Investors and Soros Fund Management.
Holders of 5% or more of ATI
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Ati Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Capital International Investors | 13G/A | 11.80%16.8M shares | – | Feb 14, 20251 filing | Feb 14, 2025 | SEC |
| FMR LLC | 13G/A | 5.10%7.33M shares | – | Feb 12, 20251 filing | Feb 12, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
2 Schedule 13D and 13G filings on Ati Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Feb 14, 20251:32 PM ET | Capital International Investors | 13G/A | 11.80%16.8M shares | – | Dec 31, 2024 | SEC |
| Feb 12, 20259:16 AM ET | FMR LLCand 1 other | 13G/A | 5.10%7.33M shares | – | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Ati Inc shares.
No Form 144 notices for Ati Inc are on file.